30224025 has 36 divisors (see below), whose sum is σ = 58304428. Its totient is φ = 14878080.

The previous prime is 30224023. The next prime is 30224027. The reversal of 30224025 is 52042203.

It is an interprime number because it is at equal distance from previous prime (30224023) and next prime (30224027).

It can be written as a sum of positive squares in 6 ways, for example, as 1354896 + 28869129 = 1164^2 + 5373^2 .

It is not a de Polignac number, because 30224025 - 2¹ = 30224023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30223989 and 30224007.

It is not an unprimeable number, because it can be changed into a prime (30224023) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2242 + ... + 8091.

Almost surely, 2^30224025 is an apocalyptic number.

It is an amenable number.

30224025 is a deficient number, since it is larger than the sum of its proper divisors (28080403).

30224025 is a wasteful number, since it uses less digits than its factorization.

30224025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362 (or 10354 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 30224025 is about 5497.6381292333. The cubic root of 30224025 is about 311.4947752749.

Adding to 30224025 its reverse (52042203), we get a palindrome (82266228).

The spelling of 30224025 in words is "thirty million, two hundred twenty-four thousand, twenty-five".